Question

56. The zip code of a location consists of five digits chosen from the set Z shown below.

Z= {0, 1, 2, 3, 4, 5, 6, 7, 8,9}
The set L represents the digits in the zip code for Key Largo.
L = {3,3,0,3,7)
The set K represents the digits in the zip code for Killarney.
K= {3,4,7,4,0}
How many odd numbers are in the set "(L UK)?

Answer 1

2 I.e 3 and 7

Explanation:

(L U K)={0,3,4,7} [ elements are not repeated in set ]

odd numbers = 3 & 7